### Possible Answer

The Logic Machine at Texas A&M University hosts interactive logic software used for teaching introductory formal logic. The Daemon Proof Checker checks proofs and can ... - read more

An implementation of the semantic tableaux method for classical propositional and predicate logic, written in JavaScript/DOM. - read more

Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm. You can also submit an answer or search documents about predicate logic proof calculator.